Finding the Third Proportional to 38,662.31 and 42,732.56

Step by Step Solution

1. Step 1: Write the proportion equation
   38,662.31 : 42,732.56 = 42,732.56 : x
2. Step 2: Convert to fraction form
   38,662.31/42,732.56 = 42,732.56/x
3. Step 3: Cross multiply
   38,662.31x = 42,732.56 × 42,732.56
4. Step 4: Simplify right side
   38,662.31x = 1,826,071,897.82
5. Step 5: Solve for x
   x = 1,826,071,897.82/38,662.31
6. Step 6: Final answer
   x = 47,231.32